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nafex - Re: [NAFEX] sources potassium or magnesium?

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  • From: road's end farm <organic101@linkny.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] sources potassium or magnesium?
  • Date: Sun, 9 Jul 2006 19:26:15 -0400


On Jun 27, 2006, at 8:53 AM, Thomas Olenio wrote:

Hello,

What are good, available natural sources of potassium

I'm not a soil scientist, but here are some possibilities: greensand; granite meal; kelp; wood ash (if you also want to raise pH; also be sure wood ash is not from sources contaminated with heavy metals, etc.)

and magnesium for
plants/trees?

Some types of limestone are high magnesium. Again, this will also raise your pH, of course.

Sul-Po-Mag is high in both and I think is still considered permissible.


--Rivka
Finger Lakes NY; zone 5 mostly


  • Re: [NAFEX] sources potassium or magnesium?, road's end farm, 07/09/2006

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